libpg_query:fuzz_plpgsql: Crash in dump_block

Project: https://github.com/pganalyze/libpgquery.git Detailed Report: https://oss-fuzz.com/testcase?key=5719550889623552 Project: libpgquery Fuzzing Engine: libFuzzer Fuzz Target: fuzzplpgsql Job Type: libfuzzerasanlibpgquery Platform Id: linux Crash Type: UNKNOWN READ Crash Address: 0x000ebfff80...